source: branches/2895_PushGP_GenealogyAnalysis/HeuristicLab.Problems.ProgramSynthesis/Push/BenchmarkSuite/Problems/CompareStringLengths.cs

using HeuristicLab.Problems.ProgramSynthesis;

namespace HeuristicLab.BenchmarkSuite.Problems {
  public class CompareStringLengths : BenchmarkSuiteDataDescriptor {
    private const string name = "Compare String Lengths - Hard";
    private const string fileName = "CompareStringLengths.csv";
    private const string description = " Given three strings n1, n2, and n3, return true if length(n1) < length(n2) < length(n3), and false otherwise";

    protected override string FileName { get { return fileName; } }
    public override string Name { get { return name; } }
    public override string Description { get { return description; } }
    protected override int InputArgumentCount { get { return 3; } }
    protected override int OutputArgumentCount { get { return 1; } }

    public override ProblemData CreateProblemData() {
      return new ProblemData(ProblemType.CompareStringLengths) {
        Name = Name,
        Description = Description,
        ProgramExecutionBudget = 30000000,
        Examples = CloneExamples(),
        BestResult = 0,
        WorstResult = 1,
        InputArgumentTypes = new[] { ExampleArgumentType.String, ExampleArgumentType.String, ExampleArgumentType.String },
        OutputArgumentTypes = new[] { ExampleArgumentType.Boolean },
        TrainingCount = 100,
        TestCount = 1000,
        EnabledDataTypes = DataTypes.Exec | DataTypes.Integer | DataTypes.Boolean | DataTypes.String,
        MaxSize = 400,
        EvalLimit = 600,
        ErcOptions = {
          ErcProbability = 0.05,
          BooleanErcOptions = new BooleanErcOptions(
            new BooleanRandomErc {
              AllowTrue = true,
              AllowFalse = true
            })
        }
      };
    }

    protected override Example ParseExample(string[] input, string[] output) {
      return new Example {
        InputArgs = input,
        OutputArgs = output,
        InputString = input,
        OutputBoolean = ExampleArgumentConverter.ConvertBooleans(output[0])
      };
    }
  }
}